/* Authentication Styles */
.auth-body {
    background: linear-gradient(135deg, var(--primary-600) 0%, var(--primary-800) 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-4);
}

.auth-container {
    width: 100%;
    max-width: 400px;
}

.auth-card {
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    padding: var(--spacing-8);
    border: 1px solid var(--secondary-100);
}

.auth-header {
    text-align: center;
    margin-bottom: var(--spacing-8);
}

.auth-header h1 {
    color: var(--primary-600);
    font-size: var(--text-3xl);
    font-weight: 700;
    margin-bottom: var(--spacing-2);
}

.auth-header p {
    color: var(--secondary-600);
    font-size: var(--text-base);
    margin-bottom: 0;
}

.auth-form {
    width: 100%;
}

.auth-form .form-group {
    margin-bottom: var(--spacing-5);
}

.auth-form label {
    font-weight: 600;
    color: var(--secondary-700);
    margin-bottom: var(--spacing-2);
}

.auth-form input,
.auth-form select {
    padding: var(--spacing-3);
    border: 2px solid var(--secondary-200);
    border-radius: var(--radius-lg);
    font-size: var(--text-base);
    transition: all var(--transition-fast);
    background-color: var(--neutral-50);
}

.auth-form input:focus,
.auth-form select:focus {
    border-color: var(--primary-500);
    background-color: white;
    box-shadow: 0 0 0 3px rgb(59 130 246 / 0.1);
}

.auth-form .btn {
    padding: var(--spacing-4);
    font-size: var(--text-base);
    font-weight: 600;
    border-radius: var(--radius-lg);
    margin-top: var(--spacing-2);
}

.auth-links {
    text-align: center;
    margin-top: var(--spacing-6);
    padding-top: var(--spacing-6);
    border-top: 1px solid var(--secondary-200);
}

.auth-links a {
    display: block;
    color: var(--primary-600);
    font-size: var(--text-sm);
    font-weight: 500;
    margin-bottom: var(--spacing-2);
    transition: color var(--transition-fast);
}

.auth-links a:hover {
    color: var(--primary-700);
}

.auth-links a:last-child {
    margin-bottom: 0;
}

/* Form validation styles */
.auth-form input:invalid {
    border-color: var(--error-500);
    background-color: var(--error-50);
}

.auth-form input:valid {
    border-color: var(--success-500);
}

/* Loading state */
.auth-form.loading {
    opacity: 0.7;
    pointer-events: none;
}

.auth-form .btn.loading {
    position: relative;
    color: transparent;
}

.auth-form .btn.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 20px;
    height: 20px;
    border: 2px solid transparent;
    border-top: 2px solid white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

/* Password strength indicator */
.password-strength {
    margin-top: var(--spacing-2);
    height: 4px;
    background-color: var(--secondary-200);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.password-strength-bar {
    height: 100%;
    transition: width var(--transition-normal), background-color var(--transition-normal);
    border-radius: var(--radius-full);
}

.password-strength-weak .password-strength-bar {
    width: 33%;
    background-color: var(--error-500);
}

.password-strength-medium .password-strength-bar {
    width: 66%;
    background-color: var(--warning-500);
}

.password-strength-strong .password-strength-bar {
    width: 100%;
    background-color: var(--success-500);
}

/* Social login buttons */
.social-login {
    margin-top: var(--spacing-6);
    padding-top: var(--spacing-6);
    border-top: 1px solid var(--secondary-200);
}

.social-login-btn {
    width: 100%;
    padding: var(--spacing-3);
    border: 2px solid var(--secondary-200);
    border-radius: var(--radius-lg);
    background-color: white;
    color: var(--secondary-700);
    font-weight: 500;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-3);
    transition: all var(--transition-fast);
    margin-bottom: var(--spacing-3);
}

.social-login-btn:hover {
    border-color: var(--secondary-300);
    background-color: var(--neutral-50);
    color: var(--secondary-800);
}

.social-login-btn:last-child {
    margin-bottom: 0;
}

/* Remember me checkbox */
.checkbox-group {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    margin-bottom: var(--spacing-4);
}

.checkbox-group input[type="checkbox"] {
    width: auto;
    margin: 0;
}

.checkbox-group label {
    margin: 0;
    font-weight: 400;
    font-size: var(--text-sm);
    cursor: pointer;
}

/* Responsive design */
@media (max-width: 480px) {
    .auth-card {
        padding: var(--spacing-6);
        margin: var(--spacing-4);
    }
    
    .auth-header h1 {
        font-size: var(--text-2xl);
    }
    
    .auth-form .form-row {
        grid-template-columns: 1fr;
    }
}

/* Animation for form appearance */
.auth-card {
    animation: authSlideIn 0.5s ease-out;
}

@keyframes authSlideIn {
    from {
        opacity: 0;
        transform: translateY(30px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* Error shake animation */
.auth-form.error {
    animation: shake 0.5s ease-in-out;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

/* Success checkmark animation */
.success-checkmark {
    display: inline-block;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background-color: var(--success-500);
    position: relative;
    margin-right: var(--spacing-2);
}

.success-checkmark::after {
    content: '';
    position: absolute;
    top: 6px;
    left: 9px;
    width: 6px;
    height: 10px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

/* Two-factor authentication styles */
.two-factor-input {
    display: flex;
    gap: var(--spacing-2);
    justify-content: center;
    margin: var(--spacing-6) 0;
}

.two-factor-input input {
    width: 50px;
    height: 50px;
    text-align: center;
    font-size: var(--text-lg);
    font-weight: 600;
    border: 2px solid var(--secondary-200);
    border-radius: var(--radius-lg);
}

.two-factor-input input:focus {
    border-color: var(--primary-500);
    box-shadow: 0 0 0 3px rgb(59 130 246 / 0.1);
}

/* Forgot password specific styles */
.forgot-password-info {
    background-color: var(--primary-50);
    border: 1px solid var(--primary-200);
    border-radius: var(--radius-lg);
    padding: var(--spacing-4);
    margin-bottom: var(--spacing-6);
    text-align: center;
}

.forgot-password-info p {
    color: var(--primary-700);
    font-size: var(--text-sm);
    margin: 0;
}

/* Email verification styles */
.verification-sent {
    text-align: center;
    padding: var(--spacing-8);
}

.verification-icon {
    width: 64px;
    height: 64px;
    background-color: var(--success-100);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-4);
}

.verification-icon::after {
    content: '✓';
    font-size: var(--text-2xl);
    color: var(--success-600);
    font-weight: bold;
}